Measurement and Instrumentation A resistor of 10kΩhms with 5% tolerance is connected in parallel with a 5kΩhms resistor of 10% tolerance. What is the tolerance limit for the parallel network? 8.33% 5% 10% 6.67% 8.33% 5% 10% 6.67% ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The internal resistance of a milli-ammeter must be very low for high accuracy. high precision. minimum effect on the current in the circuit. high sensitivity. high accuracy. high precision. minimum effect on the current in the circuit. high sensitivity. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero One of the wattmeter connections will have to be reversed Pressure coil of the wattmeter will become ineffective. Both give the same readings One of the wattmeters will read zero ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The coil of a moving coil meter has 100 turns, is 40 mm long and 30 mm wide. The control torque is 240×10-6 N-m on full scale. If magnetic flux density is 1Wb/m2 range of meter is 4 mA. 3 mA. 1 mA. 2 mA. 4 mA. 3 mA. 1 mA. 2 mA. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A CRO can display Both AC and DC signals DC signals AC signals Time invariant signals Both AC and DC signals DC signals AC signals Time invariant signals ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation Wagner earthing device is used to eliminate errors due to None of these Both A and B Electrostatic coupling Electromagnetic coupling None of these Both A and B Electrostatic coupling Electromagnetic coupling ANSWER DOWNLOAD EXAMIANS APP
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